From e40cdd50edcea094cce4abacab5bca298547627a Mon Sep 17 00:00:00 2001
From: Kouhei Ueno <kouhei@google.com>
Date: Thu, 31 Jul 2014 16:01:28 +0900
Subject: [PATCH] Generate modification index only if f.TestIndex is specified.
 This is for compatibility with existing tests.

---
 pkg/tools/fake_etcd_client.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkg/tools/fake_etcd_client.go b/pkg/tools/fake_etcd_client.go
index 3a6be8b9b29..d4ae285e3a8 100644
--- a/pkg/tools/fake_etcd_client.go
+++ b/pkg/tools/fake_etcd_client.go
@@ -41,6 +41,7 @@ type FakeEtcdClient struct {
 	Err         error
 	t           TestLogger
 	Ix          int
+	TestIndex   bool
 	ChangeIndex uint64
 
 	// Will become valid after Watch is called; tester may write to it. Tester may
@@ -72,6 +73,10 @@ func MakeFakeEtcdClient(t TestLogger) *FakeEtcdClient {
 }
 
 func (f *FakeEtcdClient) generateIndex() uint64 {
+	if !f.TestIndex {
+		return 0
+	}
+
 	f.ChangeIndex++
 	return f.ChangeIndex
 }